Home / 16,216.86-22,378.58-9,144.74

Finding the Fourth Proportional to 16,216.86, 22,378.58 and 9,144.74

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Solution

The fourth proportional to 16,216.86, 22,378.58 and 9,144.74 is: 12,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,216.86 : 22,378.58 = 9,144.74 : x
  2. Step 2: Convert to fraction form
    16,216.86/22,378.58 = 9,144.74/x
  3. Step 3: Cross multiply
    16,216.86x = 22,378.58 × 9,144.74
  4. Step 4: Simplify right side
    16,216.86x = 204,646,295.67
  5. Step 5: Solve for x
    x = 204,646,295.67/16,216.86
  6. Step 6: Final answer
    x = 12,619.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.